Obama, B. (2006). The audacity of hope: Thoughts on reclaiming the American dream. Crown Publishers.
Cita Chicago (17th ed.)Obama, Barack. The Audacity of Hope: Thoughts on Reclaiming the American Dream. New York: Crown Publishers, 2006.
Cita MLA (9th ed.)Obama, Barack. The Audacity of Hope: Thoughts on Reclaiming the American Dream. Crown Publishers, 2006.
Atenció: Aquestes cites poden no estar 100% correctes.